Knotless suture fastener installation system

a technology of installation system and suture fastener, which is applied in the field of installation system of knotless suture fastener, can solve the problems of prolonging the duration of bypass, increasing the risk of complications including permanent health damage, and obviously time-consuming procedures

Active Publication Date: 2015-01-15
EDWARDS LIFESCIENCES CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0007]The present application discloses an installation system for securing an annuloplasty ring or a prosthetic heart valve to a heart valve annulus using knotless suture fasteners. The knotless suture fasteners are desirably spring-biased so as to self-actuate and grip onto annulus anchoring sutures passed therethrough. The syste...

Problems solved by technology

This procedure is obviously time-consuming.
The longer a patient is on heart-lung bypass, the greater the risk for complications including permanent health damage.
Existing techniques for suturing cardiac implants extend the duration of bypass and increase the health risks due to heart-lung bypass.
F...

Method used

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  • Knotless suture fastener installation system
  • Knotless suture fastener installation system
  • Knotless suture fastener installation system

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Embodiment Construction

[0053]The present application provides improved systems for securing a cardiac implant to a heart valve annulus using knotless suture fasteners. Proximal and distal refer to the opposite directions toward and away, respectively, a surgeon performing the implant. The term cardiac implant as used herein primarily refers to prosthetic heart valves and annuloplasty rings or segments. However, the suture fastening systems described herein can be used to attach other prostheses such as stents, grafts, stent-grafts, fluid delivery reservoirs, electro-stimulators, or the like. Furthermore, the cardiac implants are desirably secured at a target heart valve annulus, but the suture fastening systems may also be used to attach implants to other anatomical structures such as vessels, organs (e.g., intestine, heart, skin, liver, kidney, stomach) or other locations where sutures are typically used to attach the implant. Indeed, the present suture fastening systems can be used to secure tissue stru...

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Abstract

A knotless suture fastener installation system for securing medical devices such as cardiac implants. The knotless suture fasteners may be spring-biased so as to grip onto sutures passed therethrough. The system includes a fastener deployment tool with a proximal handle and a distal shaft to which a fastener cartridge attaches. A plurality of disposable cartridges are sequentially attached to the end of the deployment tool and used to secure the medical implant one fastener at a time. The deployment tool may also cut the sutures being fastened.

Description

RELATED APPLICATIONS[0001]The present application claims priority under 35 U.S.C. §119 to U.S. Provisional Application Ser. No. 61 / 845,359, filed Jul. 11, 2013, the contents of which are expressly incorporated by reference herein.FIELD OF THE INVENTION[0002]The present invention relates generally to a system for installing knotless suture fasteners onto sutures used, for example, to secure medical implants without requiring suture knots.BACKGROUND OF THE INVENTION[0003]Heart valve disease is a widespread condition in which one or more of the valves of the heart fails to function properly. Various surgical techniques may be used to repair a diseased or damaged valve, including securing a cardiac implant to the diseased annulus. Cardiac implants include a prosthetic heart valves and annuloplasty rings. In a valve replacement operation, the damaged leaflets are excised and the annulus sculpted to receive a replacement valve. About one-half of patients receive a mechanical heart valve, ...

Claims

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Application Information

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IPC IPC(8): A61B17/04
CPCA61B17/0401A61B2017/0464A61B2017/0409A61B2017/0488A61B2017/00367A61B2017/0053A61B2017/0416A61B17/0487A61F2220/0008A61F2/2409A61F2/2412A61F2/2448
Inventor MOEHLE, RYANMORGAN, JEREMIAHHENDSBEE, CAREYDANG, KEVINJACOBS, BRIAN R.HOFFMAN, BRENT K.MAHONEY, JEFFREY L.MIRAKI, MANOUCHEHR A.
Owner EDWARDS LIFESCIENCES CORP
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